Home / 4,108.07-5,671.79-3,665.21

Finding the Fourth Proportional to 4,108.07, 5,671.79 and 3,665.21

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Solution

The fourth proportional to 4,108.07, 5,671.79 and 3,665.21 is: 5,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.07 : 5,671.79 = 3,665.21 : x
  2. Step 2: Convert to fraction form
    4,108.07/5,671.79 = 3,665.21/x
  3. Step 3: Cross multiply
    4,108.07x = 5,671.79 × 3,665.21
  4. Step 4: Simplify right side
    4,108.07x = 20,788,268.49
  5. Step 5: Solve for x
    x = 20,788,268.49/4,108.07
  6. Step 6: Final answer
    x = 5,060.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.